CAS No.375-72-4 Trade name:FC-4 Chemical name:perfluorobutylsulfonylfluoride Assay:95% Appearance:colorless and transparent liquid related density20°C:1.700-1.750 boiling point:65-66°C PH value:3.8-4.8 Application:It is the homologue of perfluorooctylsulfonylfluoride and can be used to synthetize various of special perfluoro surfactants. Its potassium salt is an excellent anion surfactant and fire retardant for polycarbonate.
